“Analysis Of Internal Keyway Slotting Process On S45c Steel Sprockets Using Shaping Machines: Analisis Proses Pembuatan Alur Pasak Internal pada Sprocket Baja S45C Menggunakan Mesin Skrap”, PELS, vol. 10, no. 1, pp. 1131–1135, Oct. 2026, doi: 10.21070/jjdhjz83.